#include <algorithm>
#include <cmath>
#include <cstring>
#include <cstdio>
#include <iostream>
using namespace std;

const int MAXN=1e5+10;
long long n, r[MAXN], a[MAXN], tt, ans;

int main(){
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    ios::sync_with_stdio(false);

    cin>>n;
    for (int i=0;i<n;i++){
        cin>>r[i]; a[r[i]]++;
    }
    for (int i=0;i<MAXN;i++){
        if (a[i]){
            ans=max(ans, a[i]);
        }
    }
    cout<<ans<<endl;

    fclose(stdin);
    fclose(stdout);
    return 0;
}
